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Re: [Qemu-block] [PATCH] block/mirror: Always call block_job_sleep_ns()


From: Fam Zheng
Subject: Re: [Qemu-block] [PATCH] block/mirror: Always call block_job_sleep_ns()
Date: Mon, 27 Apr 2015 21:08:29 +0800
User-agent: Mutt/1.5.23 (2014-03-12)

On Mon, 04/27 13:07, Max Reitz wrote:
> The mirror block job is trying to take a clever shortcut if delay_ns is
> 0 and skips block_job_sleep_ns() in that case. But that function must be
> called in every block job iteration, because otherwise it is for example
> impossible to pause the job.
> 
> Signed-off-by: Max Reitz <address@hidden>
> ---
> This makes test 129 pass when run in tmpfs (for me, at least).

Looks good to me. Thanks for debugging the failure!

Reviewed-by: Fam Zheng <address@hidden>

> ---
>  block/mirror.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/block/mirror.c b/block/mirror.c
> index d53e60e..58f391a 100644
> --- a/block/mirror.c
> +++ b/block/mirror.c
> @@ -482,9 +482,6 @@ static void coroutine_fn mirror_run(void *opaque)
>                  continue;
>              } else if (cnt != 0) {
>                  delay_ns = mirror_iteration(s);
> -                if (delay_ns == 0) {
> -                    continue;
> -                }
>              }
>          }
>  
> -- 
> 2.3.5
> 



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